Detachable-pipe connection



April 16, 1929. T. SHIPLEY DETACHABLE PIPE CONNECTION Filed Jan. 26, 1926 INVENTOR BY Z *7 MATTORNEYS lore.

Patented Apr; 16, 1929.

THOMAS SHIPLEY, or YORK, PEunsYLvANrA, .assrenon, BY new assrenmnnrs, T

YORK ion MACHINERY COREORATION, or YORK;PENNSYLVANIA, A oonronarron I OF DELAWARE.

nnraoneenn-r'rrn COJSIIJECTIGN.

Application filed January 26', ea". Serial Il'o. 83,935.

This invent-ion relates to detachable pipe couplings, and particularly to couplings between aheader and a branch pipe.

In certain types of can ice plants,'us1ng raw water it is usual to agitate the water in the vans by nieans or" air discharged from a so called drop pipe insertedin each can and extending to near the bottom thereof. As the water in the can freezes solid, the drop plpe'is frozen in and hence must be readily detachable from the supply, so that may be d1sconnected to permit the can to be pulled and taken to the dump. After the can is pulled and before it is dumped the drop pipe is released by use oi 'a thawing needle which is inserted into the pipe.

The Object of the present invention is to provide a readily releasable tight oint between a removable air lateral, laid ovcrthe top or a row of cans in the brine tank, and each over a series 01" drop pipes correspondmg to successivecans of the row.

leased from the drop pipe and removed, after which the cans may be'pulled' individually or in groups. After the cans have been refilled with water and reinserted in the tank, the lat eral and drop pipes are'con'nected up as be .icnerally stated the device includes a series of projecting nipples on the lateral, one for each drop pipe; drop pipes having flanges with gaskets mating with the nipples; and clamping cam members swiveled on the lateral an 1 each ens cable with a portion oi a corresponding-i 'op pipe to retain the drop pipe flange and gasket under sealing pressure against the corresponding nipple. An in portant feature of the invention is the forination of the clamping cam member in such a way that it is releasably retained by the nipple so that it is normally capable of rotaryswiveling motions only. p v The preferred embodiment of the-invention is illustrated in theaccompanying drawing, in which; Y H;

' Fig. 1 is a view of the couphng partly in elevation and partly in section transverseto the lateral on the axis Of a drop pipe. This I View shows the parts in coupled relation.

Fig. 2 is a section onthe line 2-2 of Fig. 1.

Fig. 3 is a View similar to lli 1 showingthe parts in uncoupled relation;

portion of the drop pipe.

Thus assumingthe drop pipes to be connected to the lateral and irozen" in their respective cans, the lateral may be re- Fig. 5 is aiperspective view of a portion of the lateral, showinga nipple. v r

Fig.- 6 is a perspective view t'the mating A portion of the lateral is shown atll; On its lower side it is provided with a nipple consistingot 'a tubular body 12 which extends into I the'interior or" the pipe 11, and has a flange l3 its outer end,.-intended to Offer an-extendediseating face for the gasket, l'ater to be described. i The nipple is sweat'ed olfotherwis'e lined in the lateral so as'to forina tight joint tl'ierewith. Only, one nipple is illustrate'd, but the number obviously would correspend to tl'ienuinberof drop pipes to be cOn- V nected with the lateral.

The droppipe is shown atll and has a head 15 forn'ied with a sealing face 'Or ioulda-ir 16 near to butbelow its upper end, There is thus a portion 170i the drop pipe which ex tends beyond the shoulder 16. Tn the coupled condition this portion 17 enters the-tubular 2 body 12 of the nipple and preferably hasfa close sliding fit therewith. Frictionally re tained-on the portion lr'and seated against shoulder-.16 is a gasket'18, ofrubber or-the like. i

The head 15 carries two projecting. lugs 19 j which areengaged by the clamping cam. 1 Y

The clamping cam includes a handle member 20 by means of which it is manipulated,

and a pair of spaced flauges 2l thereon, connected by aweb 22. vided with an eye 23 and ajcain hook 24:01? generally spiral. form. The flanges 21 straddie the nipple flange 13 and the eyes'fit the lateral 11 so that the clamping cam may swivel Each flange 21 is pro thereon. Each eye has however, a recess 25 adjacent to web 22, so shaped that in one position the may he slipped longitudinally.

on thelateral pipe 11 and Over a nipple, 'Or a series of nipples. This permits ready assem-' bhng of the clamping cams on the lateral pipe after the nipples are in place.

o piei ent are eatai removal 0- a clamp-r ingcain stop screw v26 is threaded in web end of this screw projects into the recess 25, so that it collides with flange 13 on the nipple. It thus prevents turning of. the clamping cam to such position that recess 25 will aline withthe projecting end of the nipple, and hence prevents removal of the cam.

22 and locked by a spring washer 27.. The s manipulation of the handle 20 releases the,

connection.

By backing-out the screw 26 the clamping V cam is rendered tree to rotate to such position that recess alines with the nipple; Itmay then be removed. 7 V

The device is. inexpensive to construct, simple to manipulate and durable, and produces a tight joint. For us'e'o n drop pipes it has special advantages because of quick disconnection and the fact that the end of the drop pipe is free and unobstructed so that a thawing needle may readilybe inserted. I

What is-elaimed 1s i 1. The comblnation of a pipe having a lateral nipple; a branch pipe having portions adapted to enter into telescoping relation with said nipple and into sealing engagement With the end of said nipple; and a clamp having a portion surrounding-and sWiveled on the first named pipe and having a cam-like member adapted to engage said branch pipe and draw it into sealing engagement With said nipple as said clamp ,is rotated on the 2. The combination of a pipe having a proeeting lateral nlpp'le; a branch p pe having a portion adapted to mate with said: nipple;

a clamp swiveled on the first named pipe, and

operable to engage said branch pipe and clamp the same, said clamp normally straddling and being retained in place. by said nipple, but having a recess permitting Withdrawal over the nipple in one position; and

a removable stop normally "preventing meion of said clamp to the position last named. In testimony whereof I have signed any name to this specification.

' 1 THOMAS SHIPL'EY; 

